MPD: util/OptionDef.hxx Source File

MPD 0.20.15

OptionDef.hxx
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1 /*
2 * Copyright 2003-2017 The Music Player Daemon Project
3 * http://www.musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifndef MPD_UTIL_OPTIONDEF_HXX
21 #define MPD_UTIL_OPTIONDEF_HXX
22
26 class OptionDef
27 {
28 const char *long_option;
29 char short_option;
30 const char *desc;
31 public:
32 constexpr OptionDef(const char *_long_option, const char *_desc)
33 : long_option(_long_option),
34 short_option(0),
35 desc(_desc) { }
36
37 constexpr OptionDef(const char *_long_option,
38 char _short_option, const char *_desc)
39 : long_option(_long_option),
40 short_option(_short_option),
41 desc(_desc) { }
42
43 bool HasLongOption() const { return long_option != nullptr; }
44 bool HasShortOption() const { return short_option != 0; }
45 bool HasDescription() const { return desc != nullptr; }
46
47 const char *GetLongOption() const {
48 assert(HasLongOption());
49 return long_option;
50 }
51
52 char GetShortOption() const {
53 assert(HasShortOption());
54 return short_option;
55 }
56
57 const char *GetDescription() const {
58 assert(HasDescription());
59 return desc;
60 }
61 };
62
63 #endif
OptionDef
Command line option definition.
Definition: OptionDef.hxx:26
OptionDef::OptionDef
constexpr OptionDef(const char *_long_option, const char *_desc)
Definition: OptionDef.hxx:32
OptionDef::GetDescription
const char * GetDescription() const
Definition: OptionDef.hxx:57
OptionDef::OptionDef
constexpr OptionDef(const char *_long_option, char _short_option, const char *_desc)
Definition: OptionDef.hxx:37
OptionDef::HasShortOption
bool HasShortOption() const
Definition: OptionDef.hxx:44
OptionDef::GetLongOption
const char * GetLongOption() const
Definition: OptionDef.hxx:47
OptionDef::HasLongOption
bool HasLongOption() const
Definition: OptionDef.hxx:43
OptionDef::HasDescription
bool HasDescription() const
Definition: OptionDef.hxx:45
OptionDef::GetShortOption
char GetShortOption() const
Definition: OptionDef.hxx:52